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3 years ago

10 PTS! Level 4 algebra. Please show all work!!! 4 (3x - 5) + 2 (x + 3) = 1

Mathematics

2 answers:

Ratling [72]3 years ago

8 0

12x-20+2x+6=1

14x=21

x=21/14=3/2

svp [43]3 years ago

3 0

x=15/14;

First, distribute to parenthesis

12x-20+2x+6=1

Next, combine like terms

14x-14=1

Now solve for x

14x-14(+14)=1(+14)

14x(/14)=15(/14)

x=15/14

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christina wants to buy a coach bag that normally costs $450. It goes on sale at a 15% discount. What is the amount of money bein

schepotkina [342]

Answer:

67.50

Step-by-step explanation:

100%-> 450

15%-> 67.50

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2 years ago

Which polynomial represents the difference below?

ELEN [110]

I think correct answer if d

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2 years ago

Which statement is true? A. 13/14 > 25/28 B. 21/45 < 4/9 C. 5/6 > 11/12 D. 4/5 < 8/25

nasty-shy [4]

Rewrite the fractions with common denominators and then answer:

13/14 > 25/28

26/28 > 25/28

This is True

B) 21/45 < 20/45 False

C) 10/12 > 11/12

False

D) 20/25 < 8/25

False

The true statement is A.

7 0

2 years ago

Read 2 more answers

What is the GCF of 2x4 and 4x2<br> a) 2x^2. B) 2x^4. C) 4x^2

Zinaida [17]

Answer:

$a)\ \ \ 2x^2$

Step-by-step explanation:

-Greatest common factor is defined as the greatest positive that divides a set of whole numbers evenly and without a remainder.

-Given the set $2x^4\ \ and \ \ 4x^2$

we notice, that the GCF can't be an integer with the power of x greater than 2:

$=>\frac{2x^4}{2x^2}=x^2\\\\=>\frac{4x^2}{2x^2}=2\\\\GCF= 2x^2$

Since, there's no other positive integer than can evenly divide the set of quotients, the GCF is $2x^2$

8 0

2 years ago

In a certain city, 27% of the families have a MasterCard, 19% have an American Express card, and 22% have a Visa card. Nine perc

Natasha2012 [34]

Answer:

35%

Step-by-step explanation:

Data provided in the question:

P(Master card) = 27% = 0.27

P(American express card) = 19% = 0.19

P( Visa card ) = 22% = 0.22

P( Master and American express card ) = 9% = 0.09

P( Visa and master card ) = 14% = 0.14

P( American express and visa card ) = 6% = 0.06

Now,

The probability of selecting a family that has either a Visa card or an American Express card

= P( Visa card ) + P( American express card ) - P( Visa and American express card )

= 0.22 + 0.19 - 0.06

= 0.35

= 0.35 × 100% = 35%

5 0

2 years ago